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RESEARCH ARTICLE
Year : 2015  |  Volume : 3  |  Issue : 2  |  Page : 7

Comparison of echocardiographic variables between systemic lupus erythematosus patients and a control group


1 Department of Cardiology, Atherosclerosis Prevention Research Center, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, IR Iran
2 Rheumatic Diseases Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, IR Iran
3 Atherosclerosis Prevention Research Center, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, IR Iran

Correspondence Address:
Aida Javanbakht
Atherosclerosis Prevention Research Center, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad
IR Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.5812/acvi.30009

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Background: Cardiovascular diseases increase morbidity and mortality in patients with systemic lupus erythematosus (SLE). The cardiac involvement could be silent. Echocardiography can be used as a noninvasive tool for the assessment of the ventricular function. Objectives: We sought to evaluate different echocardiographic parameters via tissue Doppler imaging and speckle-tracking echocardiography (STE) in addition to conventional echocardiography. Patients and Methods: This case-control study was conducted in 45 SLE patients (88% female; mean age = 31.2 ± 8.2 years) and 25 healthy controls (87% female; mean age = 30.3 ± 7.7 years), matched in terms of age and sex. Both groups had no clinical signs and symptoms of cardiac problems or risk factors for cardiovascular diseases. Both SLE and control groups underwent echocardiography for the assessment of the ventricular function and the sizes and diameters of the chambers. Two-dimensional STE was used for the measurement of the left ventricular (LV) global longitudinal systolic strain. Results: The mean duration of SLE was 5.5 ± 3.4 years in our patients. No significant difference was found between the two groups concerning the LV and left atrium size, LV ejection fraction, right ventricular (RV) systolic function, RV and LV diastolic function, and pulmonary artery pressure. The LV global longitudinal strain was less in the SLE patients (-18.56 ± 2.50% vs. -19.89 ± 1.94%; P = 0.028). The LV mass was greater, though not statistically significant, in the SLE patients (111 ± 29.54 g vs. 104.37 ± 27.39 g; P = 0.468). The interventricular septal diameter was thicker in the SLE patients (0.79 ± 0.15 cm vs. 0.77 ± 0.10 cm; P = 0.046). Conclusions: Silent ventricular systolic dysfunction was more common in the patients with SLE than in the control group. Newer echocardiographic techniques such as two-dimensional STE provide an earlier chance for the detection of subclinical LV systolic dysfunction. Our findings were independent of the traditional risk factors.


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